drivers/gpu/drm/i915/gt/intel_gt_pm.h

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright © 2019 Intel Corporation
   5  */
   6
   7 #ifndef INTEL_GT_PM_H
   8 #define INTEL_GT_PM_H
   9
  10 #include <linux/types.h>
  11
  12 #include "intel_gt_types.h"
  13 #include "intel_wakeref.h"
  14
  15 static inline bool intel_gt_pm_is_awake(const struct intel_gt *gt)
  16 {
  17         return intel_wakeref_is_active(&gt->wakeref);
  18 }
  19
  20 static inline void intel_gt_pm_get(struct intel_gt *gt)
  21 {
  22         intel_wakeref_get(&gt->wakeref);
  23 }
  24
  25 static inline void __intel_gt_pm_get(struct intel_gt *gt)
  26 {
  27         __intel_wakeref_get(&gt->wakeref);
  28 }
  29
  30 static inline bool intel_gt_pm_get_if_awake(struct intel_gt *gt)
  31 {
  32         return intel_wakeref_get_if_active(&gt->wakeref);
  33 }
  34
  35 static inline void intel_gt_pm_put(struct intel_gt *gt)
  36 {
  37         intel_wakeref_put(&gt->wakeref);
  38 }
  39
  40 static inline void intel_gt_pm_put_async(struct intel_gt *gt)
  41 {
  42         intel_wakeref_put_async(&gt->wakeref);
  43 }
  44
  45 static inline int intel_gt_pm_wait_for_idle(struct intel_gt *gt)
  46 {
  47         return intel_wakeref_wait_for_idle(&gt->wakeref);
  48 }
  49
  50 void intel_gt_pm_init_early(struct intel_gt *gt);
  51 void intel_gt_pm_init(struct intel_gt *gt);
  52 void intel_gt_pm_fini(struct intel_gt *gt);
  53
  54 void intel_gt_suspend_prepare(struct intel_gt *gt);
  55 void intel_gt_suspend_late(struct intel_gt *gt);
  56 int intel_gt_resume(struct intel_gt *gt);
  57
  58 void intel_gt_runtime_suspend(struct intel_gt *gt);
  59 int intel_gt_runtime_resume(struct intel_gt *gt);
  60
  61 static inline bool is_mock_gt(const struct intel_gt *gt)
  62 {
  63         return I915_SELFTEST_ONLY(gt->awake == -ENODEV);
  64 }
  65
  66 #endif /* INTEL_GT_PM_H */